EP3818730A4 - Energy-ratio signalling and synthesis - Google Patents

Energy-ratio signalling and synthesis Download PDF

Info

Publication number
EP3818730A4
EP3818730A4 EP19831037.7A EP19831037A EP3818730A4 EP 3818730 A4 EP3818730 A4 EP 3818730A4 EP 19831037 A EP19831037 A EP 19831037A EP 3818730 A4 EP3818730 A4 EP 3818730A4
Authority
EP
European Patent Office
Prior art keywords
synthesis
energy
signalling
ratio
ratio signalling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19831037.7A
Other languages
German (de)
French (fr)
Other versions
EP3818730A1 (en
Inventor
Tapani PIHLAJAKUJA
Arto Lehtiniemi
Antti Eronen
Lasse Laaksonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP3818730A1 publication Critical patent/EP3818730A1/en
Publication of EP3818730A4 publication Critical patent/EP3818730A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/07Synergistic effects of band splitting and sub-band processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems
EP19831037.7A 2018-07-03 2019-07-01 Energy-ratio signalling and synthesis Pending EP3818730A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862693477P 2018-07-03 2018-07-03
PCT/FI2019/050517 WO2020008112A1 (en) 2018-07-03 2019-07-01 Energy-ratio signalling and synthesis

Publications (2)

Publication Number Publication Date
EP3818730A1 EP3818730A1 (en) 2021-05-12
EP3818730A4 true EP3818730A4 (en) 2022-08-31

Family

ID=69059396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19831037.7A Pending EP3818730A4 (en) 2018-07-03 2019-07-01 Energy-ratio signalling and synthesis

Country Status (3)

Country Link
US (1) US11096002B2 (en)
EP (1) EP3818730A4 (en)
WO (1) WO2020008112A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2608406A (en) * 2021-06-30 2023-01-04 Nokia Technologies Oy Creating spatial audio stream from audio objects with spatial extent
GB2615323A (en) * 2022-02-03 2023-08-09 Nokia Technologies Oy Apparatus, methods and computer programs for enabling rendering of spatial audio

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110200196A1 (en) * 2008-08-13 2011-08-18 Sascha Disch Apparatus for determining a spatial output multi-channel audio signal
US20120314876A1 (en) * 2010-01-15 2012-12-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
US20140249827A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata
GB2554446A (en) * 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2800401A1 (en) * 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
CN105992120B (en) * 2015-02-09 2019-12-31 杜比实验室特许公司 Upmixing of audio signals
GB2551780A (en) * 2016-06-30 2018-01-03 Nokia Technologies Oy An apparatus, method and computer program for obtaining audio signals
US10075802B1 (en) * 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110200196A1 (en) * 2008-08-13 2011-08-18 Sascha Disch Apparatus for determining a spatial output multi-channel audio signal
US20120314876A1 (en) * 2010-01-15 2012-12-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
US20140249827A1 (en) * 2013-03-01 2014-09-04 Qualcomm Incorporated Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata
GB2554446A (en) * 2016-09-28 2018-04-04 Nokia Technologies Oy Spatial audio signal format generation from a microphone array using adaptive capture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020008112A1 *

Also Published As

Publication number Publication date
US20200015028A1 (en) 2020-01-09
WO2020008112A1 (en) 2020-01-09
EP3818730A1 (en) 2021-05-12
US11096002B2 (en) 2021-08-17

Similar Documents

Publication Publication Date Title
EP3603272A4 (en) Flexible grant-free resource configuration signaling
EP3752612A4 (en) Modified compounds and uses thereof
EP3746124A4 (en) Compounds and uses thereof
EP3594203A4 (en) Substituted pyrrolidine compound and use thereof
EP3594202A4 (en) Substituted pyrrolidine compound and use thereof
EP3762880A4 (en) Instant digital issuance
EP3782059A4 (en) User-protected license
EP3727724A4 (en) Configured tundish
EP3845521A4 (en) Synthesis methods for upadacitinib and intermediate thereof
EP3711407A4 (en) Reference signal configuration
EP3827915A4 (en) Tundish
EP3853216A4 (en) Substituted-pyridinyl compounds and uses thereof
EP4055934A4 (en) Reference signaling design and configuration
EP3768269A4 (en) Compounds and uses thereof
EP3818730A4 (en) Energy-ratio signalling and synthesis
EP3873473A4 (en) Aminoazine amides
EP3834079A4 (en) Multi-question multi-answer configuration
EP3816990A4 (en) Alarm
EP3668806A4 (en) Signaling mechanism
AU2018903973A0 (en) Polyacrylontrile synthesis
EP4055862A4 (en) Reference signaling design and configuration
EP3883564A4 (en) Compounds and uses thereof
EP3651880A4 (en) Light-nuclei element synthesis
AU2018101027A4 (en) PadPay
AU2018900340A0 (en) Tpv-2l variants and uses thereof

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210203

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: G10L 19/00 20130101ALI20220308BHEP

Ipc: H04R 3/00 20060101ALI20220308BHEP

Ipc: H04S 3/00 20060101ALI20220308BHEP

Ipc: H04R 1/40 20060101ALI20220308BHEP

Ipc: H04S 7/00 20060101AFI20220308BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20220801

RIC1 Information provided on ipc code assigned before grant

Ipc: G10L 19/00 20130101ALI20220726BHEP

Ipc: H04R 3/00 20060101ALI20220726BHEP

Ipc: H04S 3/00 20060101ALI20220726BHEP

Ipc: H04R 1/40 20060101ALI20220726BHEP

Ipc: H04S 7/00 20060101AFI20220726BHEP